fix(resume): add --workspace symmetry in resume_session.sh and update test_tier4_e2e for isolation model

tests/test_tier4_e2e.py

@@ -103,11 +103,10 @@ def test_e2e_scenario2_disconnect_resume(mam_sandbox, mock_herdr, mock_agents):
     # Simulate first message creating own ID (materialized own ID)
     own_uuid = "e2e-own-uuid-111"
     
-    iso_root = Path(orig_session["isolation"]["root"])
     key = str(tmp_path).replace('/', '-').replace('_', '-')
-    proj_dir = iso_root / "projects" / key
-    proj_dir.mkdir(parents=True, exist_ok=True)
-    (proj_dir / f"{own_uuid}.jsonl").write_text(json.dumps({"sessionId": own_uuid}) + "\n")
+    claude_dir = Path(os.environ.get("CLAUDE_PROJECT_DIR", Path.home() / ".claude" / "projects")) / key
+    claude_dir.mkdir(parents=True, exist_ok=True)
+    (claude_dir / f"{own_uuid}.jsonl").write_text(json.dumps({"sessionId": own_uuid}) + "\n")
     
     mutation = f"""
 for s in d.get('herdr_sessions', []):